WILLIAM NIXON M.D.
NPI 1942733894
Radiology - Diagnostic Radiology in Greenville, SC
About William Nixon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM NIXON M.D. (NPI 1942733894) is an individual diagnostic radiology provider in Greenville, South Carolina, licensed in South Carolina (52834) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Oconee Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Nixon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show William Nixon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenville, SC 29605
- Reassigned Medicare billing, South Carolina enrollment
- Also billed through NPI 1568799955 (South Carolina), NPI 1730786096 (South Carolina)
- 3,281 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 58
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prisma Health Oconee Memorial Hospital
Acute Care Hospitals · Seneca, SCPrisma Health Baptist Easley Hospital
Acute Care Hospitals · Easley, SCPrisma Health Greer Memorial Hospital
Acute Care Hospitals · Spartanburg, SCPrisma Health Greenville Memorial Hospital
Acute Care Hospitals · Greenville, SCPrisma Health Patewood Hospital
Acute Care Hospitals · Greenville, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENVILLE, SC 29605
GREENVILLE, SC 29605
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Nixon's NPI number?
The NPI number for William Nixon is 1942733894. It was assigned to this individual provider in the NPPES registry on April 7, 2017.
Where is William Nixon located?
William Nixon practices at 1210 W Faris Rd, Greenville, SC 29605. The listed phone number is (864) 522-1800.
What is William Nixon's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Nixon enrolled in Medicare?
Yes. William Nixon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Nixon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Nixon reassigns Medicare benefits to 2 organizations: Prisma Health University Medical Group (Greenville, SC) and University Medical Associates (Charleston, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Nixon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Nixon accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care and Ambetter of North Carolina list William Nixon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Nixon affiliated with any hospitals?
According to CMS data, William Nixon is affiliated with Prisma Health Oconee Memorial Hospital, Prisma Health Baptist Easley Hospital, Prisma Health Greer Memorial Hospital, Prisma Health Greenville Memorial Hospital and Prisma Health Patewood Hospital.
When was this NPI record last updated?
The NPPES record for William Nixon was last updated on August 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.